while True:
    w = float(input("请输入体重,单位是kg: "))
    h = float(input("请输入身高,单位是m: "))
    bmi = w / (h * h)
    print(bmi)

    if bmi < 18.5:
        print("多吃一点")
    elif bmi < 23.9:
        print("标准")
    else:
        print("运动")
f8d0fe5ad1095511f33fec8ea5d8343f
